ufw

add rate limiting to ping rules

Bug #1944059 reported by Jamie Strandboge
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ufw
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Bug Description

From https://bugs.launchpad.net/bugs/1931036:

"
In before.rules, add rate-limiting to ping:
-A ufw-before-input -m -p icmp --icmp-type echo-request -m limit --limit 3/s -j ACCEPT

REASON: reduces denial of service attacks both from the local LAN and from the public Internet.
"

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